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Method for Coordinating Transmissions Between Different Communications Apparatuses and Communication Sapparatuses Utilizing the Same

a communication apparatus and communication apparatus technology, applied in the field of wireless network communications, can solve problems such as unsatisfactory inter-cell interference, and achieve the effect of reducing interference within the cell of the victim enb

Active Publication Date: 2011-12-22
HFI INNOVATION INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The patent describes communication apparatuses and methods for coordinating transmissions between them. The invention involves generating a suggested sub-frame pattern for arranging almost blank sub-frames in frames, and scheduling control signal and data transmissions based on this pattern. The invention also involves obtaining information about the Hybrid Automatic Repeat Request (HARQ) round trip time (RTT) and arranging almost blank sub-frames accordingly. The technical effects of the invention include reducing interference and improving data transmission reliability in a wireless communication system.

Problems solved by technology

However, such HetNet deployment may cause undesired inter-cell interference.

Method used

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  • Method for Coordinating Transmissions Between Different Communications Apparatuses and Communication Sapparatuses Utilizing the Same
  • Method for Coordinating Transmissions Between Different Communications Apparatuses and Communication Sapparatuses Utilizing the Same
  • Method for Coordinating Transmissions Between Different Communications Apparatuses and Communication Sapparatuses Utilizing the Same

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Embodiment Construction

[0042]The following description is of the best-contemplated mode of carrying out the invention. This description is made for the purpose of illustrating the general principles of the invention and should not be taken in a limiting sense. The scope of the invention is best determined by reference to the appended claims.

[0043]FIG. 2a is a block diagram illustrating a communications apparatus according to an embodiment of the invention. The communications apparatus 200 may be an User Equipment (UE) in the service network as shown in FIG. 1. The operations of the service network may be in compliance with a communication protocol. In one embodiment, the service network may be a Long Term Evolution (LTE) system or an LTE Advanced system. The communications apparatus 200 may comprise at least a baseband module 210, a Radio Frequency (RF) module 220 and a controller module 230. The baseband module 210 may comprise multiple hardware devices to perform baseband signal processing, including An...

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Abstract

A communication apparatus is provided. A controller module generates a suggested sub-frame pattern describing suggested arrangement of one or more almost blank sub-frame(s) in one or more frame(s) and schedules control signal and / or data transmissions according to the suggested sub-frame pattern. A radio frequency module transmits at least a first signal carrying information regarding the suggested sub-frame pattern to a peer communications apparatus. The peer communications apparatus does not schedule data transmissions in the almost blank sub-frame(s).

Description

CROSS REFERENCE TO RELATED APPLICATIONS[0001]This application claims the benefit of U.S. Provisional Application No. 61 / 356,090 filed 2010 Jun. 18 and entitled “INTERCELL INTERFERENCE COORDINATION OF DOWNLINK CONTROL CHANNELS IN LTE HETEROGENEOUS NETWORK OF MACRO PLUS HOME ENODEBS DEPLOYMENT”, U.S. Provisional Application No. 61 / 356,092, filed 2010 Jun. 18 and entitled “INTERFERENCE MITIGATION IN HETEROPENEOUS NETWORKS”, U.S. Provisional Application No. 61 / 356,727, filed 2010 Jun. 21 and entitled “INTERCELL INTERFERENCE COORDINATION IN A HETEROGENEOUS NETWORK BY SUBFRAMES MUTING AN INTERFERENCE REPORT”, U.S. Provisional Application No. 61 / 388,681, filed 2010 Oct. 1 and entitled “INTER-CELL INTERFERENCE COORDINATION WITHOUT BAKHAUL SIGNALING BETWEEN MACRO AND FEMTO ENBS” and U.S. Provisional Application No. 61 / 408,868, filed 2010 Nov. 1 and entitled “DESIGN OF ALMOST BLANK SUBFRAME (ABS) PATTERN IN FDD AND TDD COMMUNICATIONS SYSTEM”. The entire contents of which are hereby incorporat...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): H04W72/04H04B15/00
CPCH04W72/1289H04L5/0032H04L1/1861H04W24/02H04L5/0053H04L27/2601H04B15/00H04W72/23
Inventor WU, CIOU-PINGHWANG, CHIEN-HWACHANG, YU-HAO
Owner HFI INNOVATION INC
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